/**
 * @ClassName LC1812
 * @Author ykx
 * @Date 2024/3/20 15:59
 * @Version 1.0
 */
public class LC1812 {
    public boolean squareIsWhite(String coordinates) {
        return (coordinates.charAt(0) - 'a' + coordinates.charAt(1) - '1') % 2 != 0;
    }
}
